but there's a new book coming out about rambo, john rambo, the guy who surveyed the grid, the maker of the grid. and i read it and i confirmed this ideal. there's this idea out they are that what we're learning is -- i mean, the book i believe we discussed here, that look at the beautiful book and has this idea of what the city was. this beautiful place of mountains and hills. it says we should understand is that we should know that because that can help us as we go forward. but i don't like to think that that's gone. this new book about randall todd to a lot of people about who surveyed the land in the city and are looking at randall's old survey and passionate canals are very. the really amazing thing they are finding more and more is how much of the landscape still is the landscape. so yeah, absolutely. though that was behind the pond, chopped down. there is a cobble hill and brooklyn, chopped down. the percentage is going out there not been up as to how much remains. that is a big, big. >> i remember reading that one point in the civil war they said we went uphill, not uptown, but